<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录页</title>
</head>
<body>
    <form action="doLogin" method="post">
        用户名：<input name="username"/><br>
        密码：<input name="password" type="password"/><br>
        <!--<a th:text="${param.redirect_url}"></a>-->
        <!--可用如下两种方式取出原页面的url：-->
        <!--<input name="url" type="hidden" th:value="${param.redirect_url}">-->
        <input name="url" type="hidden" th:value="${url}">
        <input type="submit" value="登录">
    </form>
</body>
</html>